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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_AUTOMATION_AUTOMATION_TAB_TRACKER_H_
#define CHROME_BROWSER_AUTOMATION_AUTOMATION_TAB_TRACKER_H_
#include <map>
#include "base/time.h"
#include "chrome/browser/automation/automation_resource_tracker.h"
#include "chrome/browser/tab_contents/navigation_controller.h"
#include "chrome/common/notification_registrar.h"
#include "chrome/common/notification_type.h"
class AutomationTabTracker
: public AutomationResourceTracker<NavigationController*> {
public:
explicit AutomationTabTracker(IPC::Message::Sender* automation)
: AutomationResourceTracker<NavigationController*>(automation) {}
virtual ~AutomationTabTracker() {
}
virtual void AddObserver(NavigationController* resource) {
// This tab could either be a regular tab or an external tab
// Register for both notifications.
registrar_.Add(this, NotificationType::TAB_CLOSING,
Source<NavigationController>(resource));
registrar_.Add(this, NotificationType::EXTERNAL_TAB_CLOSED,
Source<NavigationController>(resource));
// We also want to know about navigations so we can keep track of the last
// navigation time.
registrar_.Add(this, NotificationType::LOAD_STOP,
Source<NavigationController>(resource));
}
virtual void RemoveObserver(NavigationController* resource) {
registrar_.Remove(this, NotificationType::TAB_CLOSING,
Source<NavigationController>(resource));
registrar_.Remove(this, NotificationType::EXTERNAL_TAB_CLOSED,
Source<NavigationController>(resource));
registrar_.Remove(this, NotificationType::LOAD_STOP,
Source<NavigationController>(resource));
}
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details) {
switch (type.value) {
case NotificationType::LOAD_STOP:
last_navigation_times_[Source<NavigationController>(source).ptr()] =
base::Time::Now();
return;
case NotificationType::EXTERNAL_TAB_CLOSED:
case NotificationType::TAB_CLOSING:
{
std::map<NavigationController*, base::Time>::iterator iter =
last_navigation_times_.find(
Source<NavigationController>(source).ptr());
if (iter != last_navigation_times_.end())
last_navigation_times_.erase(iter);
}
break;
default:
NOTREACHED();
}
AutomationResourceTracker<NavigationController*>::Observe(type, source,
details);
}
base::Time GetLastNavigationTime(int handle) {
if (ContainsHandle(handle)) {
NavigationController* controller = GetResource(handle);
if (controller) {
std::map<NavigationController*, base::Time>::const_iterator iter =
last_navigation_times_.find(controller);
if (iter != last_navigation_times_.end())
return iter->second;
}
}
return base::Time();
}
private:
// Last time a navigation occurred.
std::map<NavigationController*, base::Time> last_navigation_times_;
DISALLOW_COPY_AND_ASSIGN(AutomationTabTracker);
};
#endif // CHROME_BROWSER_AUTOMATION_AUTOMATION_TAB_TRACKER_H_
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